speed-optimization: reduced the number of event_set() calls in nbfile
speed-optimization: reduced the number of event_set() calls in nbfile
HanWenfang/syncless,breezechen/syncless,breezechen/syncless,tectronics/syncless,olopez32/syncless,breezechen/syncless,HanWenfang/syncless,yoyokko/syncless,olopez32/syncless,yoyokko/syncless,olopez32/syncless,tectronics/syncless,tectronics/syncless,olopez32/syncless,HanWenfang/syncless,tectronics/syncless,yoyokko/syncless,yoyokko/syncless,HanWenfang/syncless